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Azure Local CVE-2026-42822

| EUVD-2026-30787 CRITICAL
Improper Authentication (CWE-287)
2026-05-18 microsoft GHSA-5ffh-v4jr-f65h
10.0
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
Analysis Generated
May 18, 2026 - 18:30 vuln.today

DescriptionNVD

Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network.

AnalysisAI

Privilege elevation in Microsoft Azure Local Disconnected Operations allows unauthenticated network-based attackers to gain elevated rights via an improper authentication weakness (CWE-287). The flaw carries a maximum CVSS 10.0 score with scope change, and Microsoft has issued a patched build (Azure Local 2604.2.25645). …

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RemediationAI

Within 24 hours: Identify all systems running Azure Local and prioritize those in production hybrid-cloud environments. Within 7 days: Deploy Azure Local 2604.2.25645 patch to test systems, validate functionality, and plan production rollout schedule. …

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CVE-2026-42822 vulnerability details – vuln.today

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